https://blog.csdn.net/mollerlala/article/details/103943332?utm_medium=distribute.pc_relevant_t0.none-task-blog-BlogCommendFromMachineLearnPai2-1.edu_weight&depth_1-utm_source=distribute.pc_relevant_t0.none-task-blog-BlogCommendFromMachineLearnPai2-1.edu_weight
微信indexOf不能使用，代替方式
原文：https://www.cnblogs.com/youngMan-MrS/p/13278735.html
